Ping IP with PHP

Hello! I need a simple script that can be used in a website to ping a ip, there are some considerations, this are as follows: - The script should not have a "user interface" to put an ip and ping it, it must automatically ping the IP when the page is loaded and show "online" in green or "offline" in red. - It must work for ping a ip or check a url if its online or offline (to use it whatever the case is, one or the other) - The ping must take in consideration the computer where is comming from, as the IPs that are going to be ping are in a vpn that the computer that access that IPs must have a vpn certificate to see them, as an example for this when i ping the IPs from a computer without the certificate, the connection shows as time out, but when i ping them from my computer with the certificate connected the ping goes correctly. - More than one of this scripts can be used in one page, for example to show if several IPs or URLs are online or offline when the page is opened. Any extra explanation on this please post so you can get a clearer idea of the request Regards!